CN201303160Y

CN201303160Y - Electric connector

Info

Publication number: CN201303160Y
Application number: CNU2008200417359U
Authority: CN
Inventors: 黄耀
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2008-08-31
Filing date: 2008-08-31
Publication date: 2009-09-02
Anticipated expiration: 2018-08-31

Abstract

The utility model discloses an electric connector which can be arranged on a circuit board. The electric connector comprises an insulation body and a plurality of terminators contained in the insulation body, wherein the insulation body is provided with a binding surface, a back end surface arranged oppositely to the binding surface, and a bottom surface adjacently connected with the binding surface and the back end surface; the bottom surface is provided with a locating post; a welded patch is fixed on the locating post in an interference way; the welded patch can be welded on the circuit board, thereby enhancing the fixing force of the electric connector and the circuit board and improving the stability of the electric connector.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector that is connected with circuit board.

[background technology]

The little form factors committee (Small Form Factor Committee is called for short SFF Committee) is in order in time to solve the group that already needs and set up especially that stores.Target when it was set up in nineteen ninety only limits to determine the mechanical encapsulation standard for disc driver, so that be fit to laptop computer and other small sized product.Fixing (socket) perpendicular type connector that SFF-8087 has defined a kind of freedom (plug) wire and cable connector and connected with this pin connector.This socket rigging-angle connector comprises insulating body, metal shell and the circuit substrate of accommodating plurality of terminals, and the perpendicular type connector is installed on the circuit substrate.Yet,, can use this connector to bring very big inconvenience to the user because insulating body and metal shell are to be assemblied in respectively on the circuit substrate.Disclosed a kind of connector TW411055 number as China's Taiwan patent announcement, it comprises insulating body, metal shell and circuit substrate, insulating body and circuit substrate are to weld together by two weld parts of arranging terminals that are contained in insulating body, this connected mode stability is not enough, and the connection between them is easily loosening.

Therefore, in view of the deficiency of aforementioned electric connector, be necessary to design a kind of insulating body that makes and be connected more stable electric connector with circuit board to satisfy the needs of electric connector technical development.

[utility model content]

The technical problem that the utility model solves: a kind of electric connector is provided, has stronger retain strength between itself and the circuit board, electric connector is difficult for loosening, good stability.

The technical problem that the utility model solves is achieved through the following technical solutions: a kind of electric connector, can be installed on the circuit board, it comprises insulating body, is contained in the plurality of terminals of insulating body, described insulating body is provided with interface, the rear end face relative with described interface reaches and described interface and the adjacent bottom surface of described rear end face, described bottom surface is provided with reference column, interferes on the described reference column to be fixed with bonding pad.

Compared with prior art, the utility model electric connector has following beneficial effect: by being provided with on the reference column of insulating body bottom surface and the fixing bonding pad of its interference, this bonding pad can be welded on the circuit board, thereby has strengthened the retain strength of electric connector and circuit board.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector and circuit board.

Fig. 2 is another angle schematic diagram of the three-dimensional exploded view of the electric connector of Fig. 1 and circuit board.

Fig. 3 is the enlarged drawing of the bonding pad of electric connector shown in Figure 1.

Fig. 4 is the stereogram of the utility model electric connector assembling.

Fig. 5 is the three-dimensional assembly diagram of the utility model electric connector and circuit board.

[embodiment]

As Fig. 1, Fig. 2 and shown in Figure 3, electric connector 100 of the present utility model is in order to be installed on the circuit board 4, this electric connector 100 comprises insulating body 1, vertically is arranged in two rows and be contained in the terminal 2 of insulating body 1 and interfere fixing bonding pad 3 with the reference column 131 on the bottom surface 13 of insulating body 1, this bonding pad 3 can be welded on the circuit board 4, can strengthen the retain strength of electric connector 100 and circuit board 4.

Insulating body 1 comprises interface 11, rear end face 12, bottom surface 13, the end face 14 relative with the bottom surface, and with aforementioned interface 11, rear end face 12 and 13 interconnected a pair of sides 15, bottom surface.The passage 16 of accommodating that is positioned at interface 11 is provided with the front opening 161 that extends internally and amplify along the butt joint direction.13 downward respectively extensions also are symmetricly set on insulating body 1 bottom surface 13 near 11, two reference columns 131 of interface a pair of cylindrical reference column 131 from the bottom surface.The top of rear end face 12 forms along the plurality of terminals passage 123 that laterally is arranged in a row.Rear end face 12 is formed step 121 by the part cutting, and some projections 122 are arranged along transversely arranged one-tenth one, and leave the gap between the adjacent a pair of projection 122.

Terminal 2 comprises first group of terminal 21 and second group of terminal 22 of vertically arranging.Each terminal of described first group of terminal 21 or second group of terminal 22 is all along transversely arranged.Each terminal in first group of terminal 21 comprises first main part 214, be positioned at first contact site 211 of first main part, 214 front ends, be positioned at first weld part 212 of first main part, 214 rear end faces and along first main part, 214 upwardly extending first holding parts 213.Each terminal in second group of terminal 22 comprises second main part 224, be positioned at second contact site 221 of second main part, 224 front ends, be positioned at second weld part 222 and second holding parts 223 on second main part 224 of second main part, 224 rear ends.

Bonding pad 3 circularizes shape, and interior ring 31 is circular, and is provided with equally distributed

interference part

311,32 one-tenth quadrangles that are rounded down of outer shroud.The upper surface 33 of bonding pad 3 contacts with bottom surface 13, and the lower surface 34 of bonding pad 3 welds mutually with circuit board 4.

Circuit board 4 is provided with first group of conductive path 41, second group of conductive path 42, a pair of location hole 43.First group of conductive path 41 and second group of conductive path 42 are respectively equipped with along transversely arranged pad 411,421.Location hole is along 4 one-tenth symmetric arrays of circuit board.

As shown in Figure 4 and Figure 5 and in conjunction with Fig. 1 to Fig. 3, during assembling, at first, first group of terminal 21 13 upwards is assemblied in insulating body 1 from the bottom surface, and its first contact site 211 is exposed to accommodates the outside that passage 16, the first weld parts 212 are positioned at bottom surface 13.Equally, second group of terminal 22 is assemblied in insulating body 1 from rear end face 12, its second contact site 221 is exposed to accommodates passage 16 and relative with first contact site 211 of first group of terminal 21, and its second main part 224 is positioned over the outside that step 121, the second weld parts 222 lay respectively at projection 122.First weld part 212 and second weld part 222 all are positioned at rear end face 12 1 sides near insulating body 1.Secondly, bonding pad 3 is assemblied on the reference column 131 of bottom surface 13 of insulating body 1, and the interference part 311 and reference column 131 interferences of bonding pad 3 reach fixed effect.Then, electric connector 100 is assemblied in circuit board 4, and its reference column 131 inserts the location hole 43 of circuit board 4, and with the glutinous packing technique (SMT) in surface bonding pad 3 and circuit board 4 is welded.At last, the glutinous packing technique (SMT) in first weld part 212 of first group of terminal 21 and second group of terminal 22 and second weld part, 222 usefulness surface is welded in the pad 411,421 of first group of conductive path 41 and second group of conductive path 42.

Claims

1. electric connector, can be installed on the circuit board, it comprises insulating body, is contained in the plurality of terminals of insulating body, described insulating body is provided with interface, the rear end face relative with described interface reaches and described interface and the adjacent bottom surface of described rear end face, described bottom surface is provided with reference column, it is characterized in that: interfere on the described reference column to be fixed with bonding pad.

2. electric connector as claimed in claim 1 is characterized in that: described bonding pad circularizes shape, and inside is provided with the interference part with described reference column interference, but this bonding pad also has the lower surface on the soldered circuit board.

3. electric connector as claimed in claim 2 is characterized in that: described reference column becomes cylindrical.

4. electric connector as claimed in claim 1, it is characterized in that: described terminal comprises first group of terminal and second group of terminal, described first group of terminal is provided with first weld part, described second group of terminal is provided with second and connects weld part, and described first weld part and second weld part all are positioned at rear end face one side near described insulating body.

5. electric connector as claimed in claim 4, it is characterized in that: described first group of terminal comprise first main part, be positioned at first contact site of the described first main part front end, be positioned at first weld part of the described first main part rear end and along upwardly extending first holding parts of described first main part, and described second group of terminal comprise second main part, be positioned at second contact site of the described second main part front end, be positioned at second weld part of the described second main part rear end and be positioned at second holding parts on described second main part.

6. electric connector as claimed in claim 4 is characterized in that: described first group of terminal inserts from the bottom surface of described insulating body, and described second group of terminal inserts from the rear end face of described insulating body.

7. electric connector as claimed in claim 1 is characterized in that: described reference column is positioned at the interface place near described insulating body.

8. electric connector as claimed in claim 1 is characterized in that: described reference column is provided with two, is symmetricly set on the bottom surface of described insulating body.